Electrotechnical specialist company for drive and control technology, motor maintenance, winding shop and electric heating systems.
Küffer Elektro-Technik AG
Kirchberg (headquarters) · Muttenz · Steffisburg · Illnau-EffretikonNew on Amplifa
About Küffer Elektro-Technik AG
Küffer Elektro-Technik AG (KETAG) is an electrotechnical specialist company headquartered in Kirchberg (CH) that has been supporting industrial companies since 1949 in securing the availability and service life of their systems. The service portfolio includes brand-independent testing, overhaul and repair of electric motors, generators, gearboxes, fans, blowers and compressors, as well as a winding shop that repairs motors up to frame size 350 and manufactures transformers, reactors and magnetic coils. The company is qualified to repair explosion-protected motors (ATEX). Further areas are automation (retrofit of machine and system controls, PLC, frequency inverters), trading and distribution of standard, special and gear motors, machine and system service including machinery relocation, metalwork (plant and apparatus construction, piping construction, steel construction), 3D-CAD engineering, electric surface, weir and switch point heating systems, and Hydro Power. Mechanical work such as conventional turning and milling, balancing and machining of commutators and slip rings completes the offering. Customers are industrial companies and plant operators, among others from energy/Hydro Power, construction and steel construction, water treatment and ATEX environments. With around 40 employees and locations in Kirchberg, Muttenz, Steffisburg and Illnau-Effretikon, the company operates throughout Switzerland.
- Site
- Kirchberg
- Processes
- Testing, overhaul and repair of electric motors, generators, gearboxes, fans,, Winding shop: repair of all motors up to frame size 350, manufacture of transformers, reactors, Repairs of explosion-protected motors (ATEX qualification), Conventional turning and milling work (reworking of machine parts), Balancing and machining of commutators and slip rings, Mechanical work: removal and installation, mechanical adjustment, dynamic balancing, Retrofit of machine and system controls, drive and process controls, Dimensioning of gear, special and standard motors, frequency inverters and soft starters
- Materials
- Copper, Steel
- Certificates
- ISO 9001, ATEX qualification for repairs of explosion-protected motors, ATEX qualification (repair of explosion-protected motors)
- Founded
- 1949
- Employees
- 40
- Industries
- Industrial companies / plant operators, Energy / Hydro Power, Construction and steel construction, Water treatment / pumps, Explosion protection environments (ATEX), Explosion protection environments (ATEX)
- 01
Engineering (3D-CAD design, dimensioning)
- 02
CNC machining (turning, milling)
- 03
Winding shop (transformers, reactors, magnetic coils)
- 04
Assembly and maintenance
- 05
Testing and measurement technology (condition measurements, device testing,
- 06
Service and electrical upkeep
Materials and Processes
Copper
Historically patented surface heating system with copper grid; used in windings and coils.
Steel
Used in steel and piping construction as well as plant and apparatus construction.
Locations
Kirchberg
CHHeadquarters, maintenance workshop, winding shop
- Materials
- Copper, steel
- Maintenance workshop
- Winding shop
- New motor warehouse
Muttenz
CHBasel branch (since 19.05.2025, previously Lothringerstrasse 140, Basel)
Steffisburg
CHBranch (operating management of Kröpfli AG since 01.01.2024)
Illnau-Effretikon
CHZurich service base (BW Service AG)
Services and Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Testing, overhaul and repair of electric motors, generators, gearboxes, fans,Assembly | – | – | – | – | – |
| Winding shop: repair of all motors up to frame size 350, manufacture of transformers, reactorsAssembly | – | – | – | – | – |
| Repairs of explosion-protected motors (ATEX qualification)Assembly | – | – | – | – | – |
| Conventional turning and milling work (reworking of machine parts)Machining | – | – | – | – | – |
| Balancing and machining of commutators and slip ringsAssembly | – | – | – | – | – |
| Mechanical work: removal and installation, mechanical adjustment, dynamic balancingAssembly | – | – | – | – | – |
| Retrofit of machine and system controls, drive and process controlsEngineering | – | – | – | – | – |
| Dimensioning of gear, special and standard motors, frequency inverters and soft startersEngineering | – | – | – | – | – |
| Machine and system service, electrical upkeep, spare parts managementAssembly | – | – | – | – | – |
| Machinery relocation (disassembly, packaging, transport, reassembly, commissioning)Assembly | – | – | – | – | – |
| Condition measurements and device testingTesting | – | – | – | – | – |
| Metalwork: plant and apparatus construction, piping construction, steel constructionAssembly | – | – | – | – | Stahl |
| 3D-CAD engineeringEngineering | – | – | – | – | – |
| Electric surface, weir and switch point heating systems: testing, repair, fault clearance,Assembly | – | – | – | – | – |
| Pump serviceAssembly | – | – | – | – | – |
Additional services
Quality and Certification
The company is certified according to ISO 9001 (SQS, IQNet-recognized, since 1997) and holds the qualification for the repair of explosion-protected motors (ATEX). Condition measurements, device tests and load tests complement quality assurance.
| Evidence | Kirchberg |
|---|---|
| ISO 9001 | |
| ATEX qualification (repair of explosion-protected motors) |